Allow setting UI language from commandline (implements #678)

1 files changed, 4 insertions, 2 deletions

diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 8c4b0e6c10..20c185ed27 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -162,11 +162,13 @@ int main(int argc, char *argv[])
 
     ParseParameters(argc, argv);
 
-    // Load language files for system locale:
+    // Get desired locale ("en_US") from command line or system locale
+    QString lang_territory = QString::fromStdString(GetArg("-lang", QLocale::system().name().toStdString()));
+    // Load language files for configured locale:
     // - First load the translator for the base language, without territory
     // - Then load the more specific locale translator
-    QString lang_territory = QLocale::system().name(); // "en_US"
     QString lang = lang_territory;
+
     lang.truncate(lang_territory.lastIndexOf('_')); // "en"
     QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;